2021
DOI: 10.1101/2021.02.14.431124
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Subcellular dynamics studies reveal how tissue-specific distribution patterns of iron are established in developing wheat grains

Abstract: Understanding iron trafficking in plants is key to enhancing the nutritional quality of crops. Due to the difficulty of imaging iron in transit, little is known about iron translocation and distribution in developing seeds. A novel approach, combining 57Fe isotope labelling and NanoSIMS, was used to visualize iron translocation dynamics at the subcellular level in wheat grain, Triticum aestivum L. We were able to track the main route of iron from maternal tissues to the embryo through different cell types. Fur… Show more

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“…Moreover, the nodes have been shown to be crucial in controlling metal transport to reproductive tissues in rice , highlighting some limitations of using A. thaliana as a model. In that regard, attempts to carry out biofortification in other closely related plant species, such as wheat (Sheraz et al, 2021;Kong et al, 2022), might benefit the rice biofortification field, informing new strategies that could work in rice as well. Still, rice is the model species for cereals, and research on basic Fe and Zn homeostasis in rice is likely to provide the best strategies for biofortification in cereals in general.…”
Section: Concluding Remarks and Future Directionsmentioning
confidence: 99%
“…Moreover, the nodes have been shown to be crucial in controlling metal transport to reproductive tissues in rice , highlighting some limitations of using A. thaliana as a model. In that regard, attempts to carry out biofortification in other closely related plant species, such as wheat (Sheraz et al, 2021;Kong et al, 2022), might benefit the rice biofortification field, informing new strategies that could work in rice as well. Still, rice is the model species for cereals, and research on basic Fe and Zn homeostasis in rice is likely to provide the best strategies for biofortification in cereals in general.…”
Section: Concluding Remarks and Future Directionsmentioning
confidence: 99%